Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 14 (of 14 products)
Backdraft Dampers - BDP
£ 5.98
Ducting Backdraft Dampers
The BDP01 damper has aluminium lamellae which open during the air flow in one direction and close when air is draught back. When no air is flowing, the lamellae are maint...
Backdraught Shutters 039-SFSV-63/71
£ 180.34
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
Flanged Damper 019-0250-STD
£ 396.97
Flanged Damper 019-0250-STD
Prevents reverse flow of air when fan is not operating
Fixed directly to fan case flange
Hot dip galvanised steel
Galvanised steel butterfly type blades
Suitable for...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 177.45
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
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JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 435.00
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans...
VKS 355-500 Automatic shutter
£ 89.25
VKS Dampers
Automatic shutter
Automatic operation
Robust construction
Seawater resistant
Robust
The VKS is fitted with shutter blades that are manufactured from
seawater-resistant aluminium...
Displaying 1 to 14 (of 14 products)
1 x Anti Vibration Duct Suspension Rings - 125mm1 x TechSeal 100FR Duct Sealant Cartridge - 100FRS1 x Elta EC Electronic Controller1 x Quietflow SQS250-1ECL - Centrifugal Box Fan1 x Slotted channel1 x Helios GigaBox 560mm GBD 560/4/4 T120 centrifugal1 x International Shipping Surcharge1 x Female Ducting Connector - 150mm1 x HRT/6-630/35-BZ E111 x Hydor HPA630/4-1A1 x HRT/4-630/25-BPN C1 x Elta SPA630/46-3AC - IP541 x 204x60mm Elbow Bend with 125mm Fixed Spigot1 x Duct Termination with Mesh - 355mm1 x HRT/6-630/25-BPN1 x EM 315-E2M 01- Etamaster-3151 x Duct Fast Clamps - 250mm1 x Vent Axia ACM 100 inline mixed flow duct fan1 x ACQ-150-12D Acoustic Inline Box Fan1 x Duct Split Rings (Pair) -630mm1 x Soler & Palau VFD-T inverter 5 amp IP541 x Acoustic MiniBox Fan - MINI-BOX 2001 x HRT/4-630/25-BPN E221 x CBTR/2-451-4kw1 x Helios GigaBox 315mm GBW 315/4 centrifugal1 x KVK Slim 200 - Low profile Semi Acoustic Box Fan1 x Silentub - STUB 1001 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-3AC - Three Phase1 x Axial Roof mounted Extract/Supply Fan- -HCTT/4-900-B 5.5kw1 x Ducting 90 Degree Bend - 630mm1 x Metal Inline Fan - VENT-315NK1 x ELTA - Three Phase Transformer 10amps1 x Spiral Ducting 1 meter - 250mm1 x BDS 200/250 RA b/d shutter1 x TD2000 Mixvent - 315mm1 x Rosenberg RS-315M.3EF Centrifugal Inline Fan1 x BDS 300/315 RA b/d shutter1 x Roof Axial Fan and Cowl - Three Phase -315mm1 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x Roof Axial Fan and Cowl - Three Phase -1000mm 6-pole1 x 125mm - 150mm Round Reducer1 x BDS 350 RA b/d shutter1 x 110 x 54mm Horizontal 90 Degree Bend1 x Roof Axial Fan and Cowl - Three Phase -450mm1 x Speed Controller - REB31 x Roof Axial Fan and Cowl - Three Phase -400mm1 x Flanged Spigot - 450mm1 x Helios - RDW 400/4 - Centrifugal Roof Fan1 x JMS-630 Mounting frame1 x Anti Vibration Mounts - Large - Pack of 4 - AVM11 x Spiral end cap - 250mm1 x Female Ducting Connector - 450mm1 x Mounting Feet (pair) for SB-CON 2501 x BDS 500/560 RA b/d shutter1 x JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
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Reviews
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Unbelievable! With TDmixvent500: noise reduction minimum 50%...